Laumeier Sculpture Park is a 105-acre open-air museum and sculpture park located in Sunset Hills, Missouri, near St. Louis and is maintained in partnership with St. Louis County Parks and Recreation Department. It houses over 60 outdoor sculptures and features a 1.4-mile (2.3 km) walking trail, and educational programs. There is also an indoor gallery, an 1816 Tudor stone mansion, which was the former residence of Henry and Matilda Laumeier. Laumeier is accredited by the American Alliance of Museums.